040000 tree a5087c68dce0f0d25ff2e330bb32cc990067df98	build
040000 tree f5c4dd392e55cd9290f8ae82a1b3acbbc8868a2a	core
040000 tree 3977486c8998186dc61d30b918296d9287d12c57	cpp
040000 tree ba7cfcd95973191045fa65d3824641f649b239e5	distrib